China base



FIG. 1 is a left front perspective view of a china base showing my new design;

FIG. 2 is a side elevational view, the opposite side view being a mirror image thereof; and,

FIG. 3 is a front elevational view thereof.

The bottom view not shown forms no part of the claimed design. The broken line showing of hinges and handles is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a china base, as shown and described. 